KR101464283B1 - 나노튜브 장치 및 제조 방법 - Google Patents
나노튜브 장치 및 제조 방법 Download PDFInfo
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- KR101464283B1 KR101464283B1 KR1020107001283A KR20107001283A KR101464283B1 KR 101464283 B1 KR101464283 B1 KR 101464283B1 KR 1020107001283 A KR1020107001283 A KR 1020107001283A KR 20107001283 A KR20107001283 A KR 20107001283A KR 101464283 B1 KR101464283 B1 KR 101464283B1
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Abstract
Description
도 1은 본 발명의 실시예를 사용하여 제조될 수 있는 나노튜브에 기반한 구조의 개략적인 단면도이고,
도 2a 내지 2d는 본 발명의 일 실시예에 따라서 탄소나노튜브를 증착하기 위한 실험장치구성(experimental setup)과 프로세스 시퀀스를 설명하기 위한 개념도(schematic diagram)이고,
도 3a 내지 3c는 100nm의 직경과 50nm의 깊이를 가진 개구 주변의 전기장 분포의 개략도(schematic illustration)이고,
도 4a 내지 4b는 500nm의 직경과 50nm의 깊이를 가진 개구 주변의 전기장 분포의 개략도(schematic illustration)이고,
도 5a는 나노튜브 센서 어레이의 개략도(schematic illustration)이고,
도 5b는 도 5a의 나노튜브 센서 어레이의 단면도이고,
도 6a 내지 6j는 센서 제조 시퀀스의 다양한 단계를 진행하는 동안의 구조의 단면도를 도시한 것이고;
도 7은 나노튜브 센서를 세포 내 프로브로써 사용하는 실험적 배치(experimental arrangement)의 개략도이고,
도 8은 본 발명의 실시예를 사용하여 제조될 수 있는 나노튜브에 기반한 트랜지스터의 개략도이고,
도 9a 내지 9b는 본 발명의 실시예를 시행하기에 적당한 개구의 형상의 개략도이다.
이해를 돕기 위해서, 가능하다면, 도면에 공통되는 동일한 구성요소를 나타내기 위해서 동일한 참조번호가 사용되었다.
Claims (22)
- (a) 개구에 의해 구조 상 영역을 정의하는 단계;
(b) 상기 영역 내에 전기영동에 의해 증착될 나노튜브의 개수를 조절하도록 상기 개구를 형성하는 단계;
(c) 상기 개수의 나노튜브가 상기 영역을 향하게 하도록 구성되는 전기장을 상기 개구에 생성하는 단계; 및
(d) 전기영동에 의해 상기 영역 내 상기 개수의 나노튜브 중에서 적어도 하나를 증착하는 단계
를 포함하고,
상기 개수의 나노튜브 중에서 적어도 하나가 상기 영역에 증착된 후, 증착된 상기 개수의 나노튜브 중에서 적어도 하나가 상기 개구에서의 전기장을 재형성(re-configure)하며,
단계 (b)는:
(b1) 상기 개구에서의 전기장 분포를 획득하기 위해서 상기 개구의 적어도 하나의 파라미터의 함수로써 유한요소해석을 수행하는 단계; 및
(b2) 상기 영역 내 상기 개수의 나노튜브 중에서 적어도 하나를 증착하도록 상기 개구의 미리결정된 형상(configuration)을 선택하는 단계
를 더 포함하는, 나노튜브의 증착방법. - 제 1항에 있어서, 상기 단계 (b)가
상기 영역 내에 증착될 나노튜브의 적어도 하나의 패턴과 간격을 조절하기 위해 상기 개구를 형성하는 단계를 더 포함하는 방법. - 제 1 항에 있어서, 상기 단계 (b)가
증착될 나노튜브의 상기 개수를 조절하기 위해 상기 개구에 길이, 폭 및 깊이의 조합을 제공하는 단계를 더 포함하는 방법. - 제 1 항에 있어서, 상기 단계 (b)가
전기영동에 의해 단지 한 개의 나노튜브가 상기 영역 내에 증착되도록 하기 위해 상기 개구에 측면 치수(lateral dimension)를 제공하는 단계를 더 포함하며,
상기 개구의 상기 측면 치수가 100 nm 미만인 방법. - 제 1 항에 있어서, 상기 개구가 100 nm 미만의 폭을 갖고, 길이 방향으로 적어도 두 개의 나노튜브의 증착을 허용하도록 하는 길이를 갖는 슬롯으로 형성되는 방법.
- 삭제
- 제 1 항에 있어서, 증착될 적어도 하나의 나노튜브를 위한 적어도 하나의 파라미터가 상기 유한요소해석에 포함되는 방법.
- 제 1 항에 있어서, 상기 단계 (a)가
(a1) 상기 구조에 금속층 위의 절연층을 제공하는 단계; 및
(a2) 상기 절연층을 통하여 상기 금속층에 상기 영역을 정의하기 위해서 상기 개구를 형성하는 단계;
를 더 포함하는 방법. - 제 8 항에 있어서, 단계 (d)가
(d1) 나노튜브를 포함하는 전해유체에 상기 구조를 노출시키는 단계;
(d2) 상기 금속층에 바이어스 전압을 인가하는 단계; 및
(d3) 상기 금속층이 상기 개구 내부에 접촉하도록 상기 개수의 나노튜브를 수직 방향으로 증착하는 단계;
를 더 포함하며,
상기 나노튜브의 개수는 1인 방법. - 제 9 항에 있어서, 상기 나노튜브는 상기 개구 내부의 중심에 위치되도록 증착되는 방법.
- 제 9 항에 있어서, 상기 단계 (d)가
(d4) 상기 전해 유체 안에 금속 전극을 제공하는 단계; 및
(d5) 상기 금속층과 관련된 상기 금속 전극에 포지티브 바이어스를 제공하는 단계;
를 더 포함하는 방법. - 제 11 항에 있어서,
상기 금속층과 관련된 상기 금속전극의 방향을 조정함으로써 상기 개구 내부의 상기 나노튜브의 방향을 조절하는 단계를 더 포함하는 방법. - 제 1 항에 있어서, 상기 개구가 적어도 0.18의 높이 대 폭의 비율을 갖는 방법.
- 전도층 상에 형성된 절연층을 기판에 제공하는 단계;
상기 전도층의 영역을 노출시키기 위해 상기 절연층을 통해 개구를 형성하는 단계;
탄소나노튜브를 포함하는 전해유체 안에 상기 기판을 담그는 단계;
금속전극을 상기 전해유체 안에 제공하는 단계;
상기 전도층과 상기 금속전극의 전역에 걸쳐 바이어스 전압을 인가하는 단계;
적어도 하나의 탄소나노튜브가 상기 영역을 향하게 하도록 구성되는 전기장을 상기 개구에 생성하는 단계;
적어도 하나의 탄소나노튜브를 상기 영역에 대해 수직한 방향으로 증착시키는 단계로서, 상기 탄소나노튜브의 일 말단이 상기 영역의 중심에서 상기 영역에 접촉하고, 상기 적어도 하나의 탄소나노튜브가 상기 영역에 증착된 후, 상기 적어도 하나의 탄소나노튜브가 상기 개구에서의 전기장을 재형성하는, 탄소나노튜브 증착 단계;
추가적인 공정을 위해 상기 적어도 하나의 증착된 탄소나노튜브를 가진 상기 기판을 플라즈마 프로세스 시스템에 제공하는 단계; 및
상기 플라즈마 프로세스 시스템 내에서 상기 전도층과 전극 사이에 전기장을 인가함으로써 상기 적어도 하나의 증착된 탄소나노튜브를 미리결정된 방향으로 재-정렬하는 단계
를 포함하는, 탄소나노튜브에 기반한 장치를 형성하는 방법. - 삭제
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JP5674466B2 (ja) | 2015-02-25 |
WO2009017898A3 (en) | 2009-04-16 |
EP2171132A4 (en) | 2015-06-03 |
US8257566B2 (en) | 2012-09-04 |
KR20100047845A (ko) | 2010-05-10 |
US20080317631A1 (en) | 2008-12-25 |
US20110240480A1 (en) | 2011-10-06 |
JP2010532717A (ja) | 2010-10-14 |
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US7964143B2 (en) | 2011-06-21 |
WO2009017898A2 (en) | 2009-02-05 |
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